[ 4th elementary symmetric function of {sqrt(k)} ], k = 1,2,...,n.

Terms

a(0) =4a(1) =35a(2) =144a(3) =442a(4) =1120a(5) =2491a(6) =5027a(7) =9405a(8) =16562a(9) =27752a(10) =44608a(11) =69217a(12) =104194a(13) =152764a(14) =218848a(15) =307162a(16) =423311a(17) =573901a(18) =766646a(19) =1010488a(20) =1315718a(21) =1694111a(22) =2159055a(23) =2725697a(24) =3411089a(25) =4234341a(26) =5216779a(27) =6382114a(28) =7756607a(29) =9369254